A traffic equalization method for satellite communication network based on tilt factor
A technology of tilt factor and network traffic, applied in the field of satellite communication, can solve problems such as limited communication capacity, achieve the effect of improving routing efficiency and ensuring traffic balance
Active Publication Date: 2022-06-24
军事科学院系统工程研究院网络信息研究所
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[0002] The satellite communication system is an irreplaceable and important part of the information communication network. However, due to the constraints of the carrying capacity of the satellite platform and the shortage of satellite communication space frequency orbit resources, the communication capabilities of each node and link in the satellite communication network are limited. How to use limited system resources and capabilities to achieve a balance between ensuring user service quality satisfaction and ensuring high-priority tasks is a key problem to be solved in improving the service quality of satellite communication networks
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[0031] An embodiment of the present invention is given below and described in detail.
[0032] like figure 1 As shown, the present invention discloses a satellite communication network traffic equalization method based on an inclination factor, the specific steps of which include:
[0033]S1, the satellite communication system obtains the network attribute information of all N networking tasks currently carried from its network management information base, including priority P, geographic scope A, service type T and bandwidth requirement B, and assigns each networking The network attribute information of the task is denoted as a quadruple set, where the quadruple set of the i-th networking task is denoted as M i {P i ,A i ,T i ,B i }, i=1,2,...,N, where P i Indicates the priority of the i-th networking task, A i Indicates the geographic scope of the i-th networking task, T i Indicates the service type of the i-th networking task, B i Indicates the bandwidth requiremen...
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The invention discloses a satellite communication network flow equalization method based on a tilt factor, which comprises the following steps: obtaining information on all current networking tasks; calculating the tilt factors of each task; and obtaining the priority joint tilt factor distribution data of the networking tasks; Calculate the normalized service priority of the user service; determine the direction vector of the user service and correct the service priority; match the service priority and the priority joint tilt factor to realize the routing planning for network traffic balance. It mainly has the following advantages: In the satellite communication network, user business data selects satellites with corresponding tilt factors for routing according to their own priorities, which can prevent lower priority data from occupying the bandwidth resources of satellites with high priority tasks; according to the destination address The deviation between the direction vector and the routing node direction vector can correct the user business priority, which can improve the routing efficiency while ensuring traffic balance.
Description
technical field [0001] The invention relates to the field of satellite communications, in particular to a method for equalizing traffic in a satellite communications network based on an inclination factor. Background technique [0002] The satellite communication system is an irreplaceable and important part of the information communication network. However, due to the constraints of the satellite platform's carrying capacity and the shortage of satellite communication space frequency orbit resources, the communication capabilities of each node and each link in the satellite communication network are limited. How to use limited system resources and capabilities to achieve a balance between ensuring user satisfaction with service quality and ensuring high-priority tasks is a key issue to be solved in improving the service quality of satellite communication networks. From the perspective of the system, it is hoped that high-priority networking tasks can be better guaranteed, t...
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IPC IPC(8): H04W28/08H04W28/02
CPCH04W28/0925H04W28/0226
Inventor 何元智刘韵
Owner 军事科学院系统工程研究院网络信息研究所